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In this tutorial we will learn how to create e-signature pad using jQuery, Ajax and PHP and also save image to database.
Here we will use keith-wood jquery ui signature pad to create signature on it.
So let’s follow below steps to create PHP signature pad.
Step 1 – Create
1) index.php and
2) upload.php file
In first step you need to create index.php file and upload.php file.
Step 2 – jQuery signature file
Now you need to download file from here - jQuery signature file .
Step 3 – Create new folder "asset"
Create a new folder with folder name "asset".
Step 4 – extract jQuery signature file
Extract the downloaded file and then follow below steps.
Step 5 – Copy both files
1) jquery.signature.min.js
2) jquery.signature.css
Now copy -
1) jquery.signature.min.js
2) jquery.signature.css files from downloaded file and then paste it into "asset" folder.
Step 6 – Copy and paste below code inside index.php file
<!DOCTYPE html>
<html>
<head>
<title>E-Signature Pad using jQuery, Ajax and PHP</title>
<link rel="stylesheet" type="text/css"
href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.3.1/css/bootstrap.css">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<link type="text/css" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/themes/south-street/jquery-ui.css"
rel="stylesheet">
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
<script type="text/javascript" src="asset/jquery.signature.min.js"></script>
<link rel="stylesheet" type="text/css" href="asset/jquery.signature.css">
<style>
.kbw-signature {
width: 400px;
height: 200px;
}
#sig canvas {
width: 100% !important;
height: auto;
}
</style>
</head>
<body>
<div class="container">
<form method="POST" action="upload.php">
<h1>E-Signature Pad using jQuery, Ajax and PHP</h1>
<div class="col-md-12"> <label class="" for="">Signature:</label> <br />
<div id="sig"></div> <br /> <button id="clear">Clear</button> <textarea id="signature64" name="signed"
style="display: none"></textarea>
</div> <br /> <button class="btn btn-success">Submit</button>
</form>
</div>
<script type="text/javascript">
var sig = $('#sig').signature({
syncField: '#signature64',
syncFormat: 'PNG'
});
$('#clear').click(function (e) {
e.preventDefault();
sig.signature('clear');
$("#signature64").val('');
});
</script>
</body>
</html>Step 7 – Copy and paste below code inside upload.php file
<?php
$folderPath = "upload/";
$image_parts = explode(";base64,", $_POST['signed']);
$image_type_aux = explode("image/", $image_parts[0]);
$image_type = $image_type_aux[1];
$image_base64 = base64_decode($image_parts[1]);
$file = $folderPath . uniqid() . '.'.$image_type;
file_put_contents($file, $image_base64);
echo "Signature Uploaded Successfully.";
?>
Output
